Circular grinder (63 cm diameter x 16 cm thick) excavated by Bennett in the semi-subterranean temple of Tiahuanaco (west of the Bennett monolith). Drawn by Stanislava Chávez based on photographs taken at the Museum in Tiahuanaco.
Isbell, William H.; Uribe, Mauricio I.; Tiballi, Anne; Edward P. Zegarra, 2018, "Visual database", https://doi.org/10.25346/S6/1B33FN.